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WO1998004644A1 - Procede/systeme d'accumulation de chaleur ou de froid dans un materiau composite accumulateur, un tel materiau composite accumulateur et procede de fabrication d'un tel materiau - Google Patents

Procede/systeme d'accumulation de chaleur ou de froid dans un materiau composite accumulateur, un tel materiau composite accumulateur et procede de fabrication d'un tel materiau Download PDF

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Publication number
WO1998004644A1
WO1998004644A1 PCT/EP1997/004061 EP9704061W WO9804644A1 WO 1998004644 A1 WO1998004644 A1 WO 1998004644A1 EP 9704061 W EP9704061 W EP 9704061W WO 9804644 A1 WO9804644 A1 WO 9804644A1
Authority
WO
WIPO (PCT)
Prior art keywords
pcm
matrix
graphite
liquid
composite material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP1997/004061
Other languages
German (de)
English (en)
Inventor
Peter Satzger
Benedikt Eska
Tobias Schmitt-Manderbach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZAE Bayern Bayerisches Zentrum fuer Angewandte Energieforschung eV
Original Assignee
ZAE Bayern Bayerisches Zentrum fuer Angewandte Energieforschung eV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZAE Bayern Bayerisches Zentrum fuer Angewandte Energieforschung eV filed Critical ZAE Bayern Bayerisches Zentrum fuer Angewandte Energieforschung eV
Priority to AU39411/97A priority Critical patent/AU3941197A/en
Priority to EP97936660A priority patent/EP0914399B1/fr
Priority to DE59702643T priority patent/DE59702643D1/de
Publication of WO1998004644A1 publication Critical patent/WO1998004644A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
    • F28D20/023—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material being enclosed in granular particles or dispersed in a porous, fibrous or cellular structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

Definitions

  • a method / system for storing heat or cold in a storage composite material such a storage composite material and a method for producing such a storage composite material.
  • the invention relates to a method / system for storing heat or cold in a storage composite material which contains a matrix of pressed graphite expandate and a phase change material (PCM) as heat or cold storage medium, such a storage composite material and a method for producing such Storage composite material.
  • PCM phase change material
  • phase transitions with a shade of heat can partly also be used together with chemical reactions.
  • Substances with the solid-liquid phase transition - mostly referred to as PCM (phase change material) - are very often proposed, e.g. Cold storage water.
  • PCM phase change material
  • solid-gas phase transitions can also be used, for example gas-solid reactions.
  • the gas-solid reactions additionally require that the solid reactor in which the gas reacts with the solid has a high gas permeability.
  • a matrix of pressed, expanded graphite has been proposed as a carrier material for the solid (US Pat. No. 4,595,774).
  • the reactive solid, mixed with expanded graphite is pressed into a reaction composite.
  • This inert graphite matrix is elastic and can, to a certain extent, absorb swelling of the reactive solid. In addition, it has a high thermal conductivity and a high gas permeability due to the high porosity of up to 90%.
  • the porosity is greatly reduced due to a high loading of the matrix with the reactive solid, a correspondingly larger swelling must be absorbed by the graphite matrix. If the load becomes too large, corresponding to a reduction in the porosity to below 60%, the graphite matrix is damaged by the swelling that occurs during the reaction and the properties of the matrix, such as the high gas permeability and the good heat conduction, are severely impaired. The use of the graphite matrix is therefore limited by the ability of the matrix to absorb the swelling.
  • the invention has for its object a method / system for storing heat or cold
  • SUBST1TUTESHEET (RULE 26) to be specified in a composite storage material with a phase change material. It is also an object of the invention to provide a particularly suitable composite storage material and a method for its production.
  • This surprising stability of the matrix of pressed, expanded graphite can be achieved by adding binders, such as. As phosphates (z. B. aluminum phosphate), alkali silicates, clays, clay minerals, aluminum oxide, resins and / or starch further.
  • binders such as. As phosphates (z. B. aluminum phosphate), alkali silicates, clays, clay minerals, aluminum oxide, resins and / or starch further.
  • a bulk density of the graphite matrix of more than 75 g / l, despite the swelling of the PCM, a stable bond results even without a binder if the loading of the matrix with PCM is preferably limited to 90% of the available pore volume. This leaves a residual porosity of approx. 10%.
  • the graphite matrix is characterized by an anisotropy both in structure and in elasticity. This makes it possible for the pores to expand perpendicular to the preferred direction of the graphite layers at the expense of other, not or only partially filled pores. This results in a large tolerance of the matrix to expansion of the PCM.
  • the subcooling which is to be regarded as critical in the PCMs but is necessary for nucleation by the storage composite material according to the present invention can be greatly reduced.
  • a higher temperature can be achieved or applied when the heat is released from the store, which is the case of a cold storage device for loading means a lower required cooling capacity and, in the case of a heat storage device, a higher useful temperature.
  • the pure PCM can be used in the present invention. There is therefore no fear of segregation, as often occurs when adding nucleating agents.
  • the high loads with PCM required for economically sensible heat or cold storage systems can be achieved with the production methods for such storage composite materials according to the present invention.
  • the PCM is introduced into the graphite matrix by means of vacuum impregnation.
  • the graphite matrix is printed on a print before impregnation
  • the loading can also be positively influenced by heating the graphite matrix and / or the PCM used in each case before the impregnation to temperatures above the melting point, but at most up to the evaporation temperature of the PCM. Temperatures between 10 and 4OK above the melting temperature of the PCM have proven to be particularly advantageous.
  • the graphite matrix is preferably heated together with the PCM.
  • the PCM is heated above the melting point to such an extent that the graphite matrix blocks can be immersed in the liquid PCM.
  • PCM then penetrates into the pores of the matrix.
  • Typical immersion times are between 15 minutes and 5 hours.
  • a higher temperature of the PCM (as well as the matrix) is conducive to a high loading of the matrix with PCM. Temperatures of approx. 40 to 120 K above the melting point proved to be very beneficial. By subsequently cooling the liquid PCM with the matrix to just above the melting temperature, the load can be increased further.
  • a particular advantage of the invention is that the composite storage material is inexpensive, ecological and easy to manufacture.
  • Figure 1 is a schematic representation for explaining the method of loading the graphite matrix with PCM by means of vacuum impregnation.
  • FIG. 2 is an enlarged schematic illustration of the composite memory material in accordance with the present invention.
  • FIG. 3 shows a schematic illustration of the storage composite material in a plate heat exchanger arrangement
  • FIG. 4 shows a schematic representation of the composite storage material in a tube bundle heat exchanger arrangement.
  • FIG. 1 schematically shows a device for impregnating moldings 2 made of repressed expanded graphite with liquid PCM 6.
  • the moldings 2 are located in a vessel 8 in a vacuum container 4, which can be evacuated by a vacuum pump 10. After evacuation, the liquid PCM 6, which is at a certain temperature in the storage vessel 12, is let into the vacuum container 4 by the pressure of the atmosphere in such a way that the vessel 8 fills with the liquid PCM 6 and the moldings 2 are completely in the liquid PCM are immersed. After loading with the PCM 6, the graphite matrix or the shaped body 2 together with the PCM 6 forms a memory composite material 13. 2 shows a schematic structure of the storage composite material 13 (lateral section).
  • porous graphite matrix 14 formed by the pressing of expanded expanded graphite, which is filled with the PCM 6 to such an extent that gas / vapor inclusions 16 are still present which allow the volume of the PCM 6 to expand.
  • the heat input or output is preferably carried out in the direction with the highest thermal conductivity, that is, in the direction of the graphite layers that form.
  • 3 shows a schematic illustration of the storage composite material 13 in a plate heat exchanger arrangement.
  • Storage composite material 13 is arranged in a plate shape with boundary walls 18.
  • a heat transfer fluid 20 flows between the boundary walls 18.
  • FIG. 4 shows a schematic illustration of the composite storage material 13 in a tube bundle heat exchanger arrangement.
  • the composite storage material 13 in the form of a cylindrical block is penetrated by a tube bundle 22 which opens into common inlets and outlets 26, 27.
  • Examples 1 to 4 show experiments with water as PCM.
  • water As a cold storage medium, water has many advantages, such as, in particular, a high storage density, but two major disadvantages, namely an 8% increase in volume during the phase change from liquid to solid and a subcooling of approx. 10K required for this phase change. For this reason, use in small, compact cold stores has so far been very high difficult.
  • both disadvantages can be avoided or decisively alleviated by the invention.
  • Expanded graphite with a bulk density of 2 g / 1 was pressed onto cylindrical tablets (diameter: 42mm; height: 10mm) with bulk densities, i.e. Mass per construction volume, from 36 g / 1 to 122 g / 1.
  • the tablets were made up to a pressure of
  • the composites were frozen at -23 ° C and then thawed again. It was found that the storage composites with a graphite bulk density of up to 75 g / l were destroyed by the freezing process. In contrast, storage networks with a spatial density of over 75 g / 1 remained stable. Even after repeated full loading and unloading of the memory, no negative influence on the stability of the graphite matrix could be determined.
  • a cylindrical storage composite with a bulk density of graphite of 100 g / 1 and water of 900 g / 1 was produced, analogously to Example 1.
  • This composite was placed in a stainless steel tube and sealed with two stainless steel lids through which two NiCr-Ni thermocouples were passed, one in the middle of the cylinder and one at half the cylinder radius.
  • the stainless steel container is located in a thermal bath and can thus be cooled in a defined manner. If the required subcooling temperature for crystal formation on the thermocouple is reached, the temperature on the thermocouple jumps from the subcooling temperature to the actual freezing temperature of the water of 0 ° C. A required supercooling of approx. 5.5 K was determined. The necessary subcooling for water to 9.9K was measured by a reference measurement with water without a graphite matrix. By using the matrix a reduction in hypothermia by about half.
  • a cylindrical matrix of pressed graphite with a diameter of 42 mm and a height of 10 mm and a volume density of approx. 200 g / l is immersed in warm water, so that the matrix is completely immersed.
  • the temperature of the water is kept constant. After a certain time the water with the matrix is cooled down to room temperature. The matrix is then removed from the water and the load is determined.
  • the following table 2 shows the dependence of the load on the water temperature, the exposure time and the cooling temperature
  • Expanded graphite with a bulk density of 2 g / l was pressed into tablets with a bulk density of 100 g / l. After evacuating these tablets to smaller
  • mixtures in particular eutectic or congruently melting mixtures, of one or more of the following components can also be used:
  • PCM eutectic or congruent melting mixtures of one or more of the following components
  • Parafins, fatty acids, oligomers, glycols, alcohols, caprylic acid Parafins, fatty acids, oligomers, glycols, alcohols, caprylic acid.
  • Substances that form chlate can also be used as PCM.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Abstract

L'invention concerne un procédé/système d'accumulation de chaleur ou de froid dans un matériau composite accumulateur de chaleur, un matériau composite accumulateur approprié, ainsi qu'un procédé de fabrication d'un tel matériau. Le matériau composite comprend une matrice en graphite expansé compressé et un matériau à changement de phase (PCM) comme milieu accumulateur de chaleur. La transition de phase du PCM peut s'effectuer par passage entre les états solide-solide, liquide-liquide ou solide-liquide. La matrice en graphite peut être chargée en PCM par imprégnation sous vide ou par immersion de ladite matrice dans le PCM liquide.
PCT/EP1997/004061 1996-07-25 1997-07-25 Procede/systeme d'accumulation de chaleur ou de froid dans un materiau composite accumulateur, un tel materiau composite accumulateur et procede de fabrication d'un tel materiau Ceased WO1998004644A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU39411/97A AU3941197A (en) 1996-07-25 1997-07-25 Method/system for accumulating heat or cold in an accumulating composite material, such an accumulating composite material and a method for producing such an accumulating composite material
EP97936660A EP0914399B1 (fr) 1996-07-25 1997-07-25 Procede/systeme d'accumulation de chaleur ou de froid dans un materiau composite accumulateur, un tel materiau composite accumulateur et procede de fabrication d'un tel materiau
DE59702643T DE59702643D1 (de) 1996-07-25 1997-07-25 Verfahren/system zur speicherung von wärme oder kälte in einem speicherverbundmaterial, ein derartiges speicherverbundmaterial und ein verfahren zur herstellung eines derartigen speicherverbundmaterials

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19630073A DE19630073B4 (de) 1996-07-25 1996-07-25 Vorrichtung zur Speicherung von Wärme oder Kälte in einem Speicherverbund aus gepreßtem Graphitexpandat und einem fest-flüssig Phasenwechselmaterial und Verfahren zu ihrer Herstellung
DE19630073.8 1996-07-25

Publications (1)

Publication Number Publication Date
WO1998004644A1 true WO1998004644A1 (fr) 1998-02-05

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PCT/EP1997/004061 Ceased WO1998004644A1 (fr) 1996-07-25 1997-07-25 Procede/systeme d'accumulation de chaleur ou de froid dans un materiau composite accumulateur, un tel materiau composite accumulateur et procede de fabrication d'un tel materiau

Country Status (4)

Country Link
EP (1) EP0914399B1 (fr)
AU (1) AU3941197A (fr)
DE (2) DE19630073B4 (fr)
WO (1) WO1998004644A1 (fr)

Cited By (23)

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DE10023949C1 (de) * 2000-05-16 2001-11-22 Bosch Gmbh Robert Wärmetauscher, insbesondere Mikrostruktur-Wärmetauscher
US7000681B2 (en) 2002-09-11 2006-02-21 Webasto Thermosysteme International Gmbh Cold or heat accumulator and process for its manufacture
DE10242463B4 (de) * 2002-09-11 2006-07-06 Webasto Ag Kälte-/Wärmespeicher für eine Klimaeinrichtung
JP2007315704A (ja) * 2006-05-26 2007-12-06 Webasto Ag 蓄冷器または蓄熱器およびその製造法
FR2906604A1 (fr) * 2006-09-28 2008-04-04 Heliotrans Sarl Module utilisable pour le stockage et le transfert thermique.
US20080099187A1 (en) * 2004-01-26 2008-05-01 Rini Daniel P Method and apparatus for absorbing thermal energy
DE102007023766A1 (de) * 2007-05-22 2008-11-27 Rational Ag Verfahren zum Befüllen zumindest eines Speicherelements eines Wärmespeichers mit einem Speichermedium und Vorrichtung zum Durchführen solch eines Verfahrens
WO2009070091A1 (fr) * 2007-11-29 2009-06-04 Climatewell Ab (Publ) Stockage/transport d'énergie
US7704405B2 (en) * 2002-10-28 2010-04-27 Sgl Carbon Se Material mixtures for heat storage systems and production method
WO2010146197A1 (fr) 2009-06-16 2010-12-23 Abengoa Solar New Technologies, S.A. Matériau composé pour le stockage d'énergie thermique à haute température
WO2011014636A1 (fr) 2009-07-30 2011-02-03 E. I. Du Pont De Nemours And Company Unité d'isolation thermique
US7938170B2 (en) 2002-09-11 2011-05-10 Webasto Ag Cold or heat accumulator and process for its manufacture
WO2011143278A1 (fr) 2010-05-13 2011-11-17 E. I. Du Pont De Nemours And Company Composition de matériau à changement de phase
DE102012208619A1 (de) 2012-05-23 2013-11-28 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Betrieb eines Trockners mit einem Latentwärmespeicher, sowie hierzu geeigneter Trockner
DE102012223613A1 (de) 2012-12-18 2014-06-18 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit effizientem Latentwärmespeicher sowie Verfahren zu seinem Betrieb
WO2015168096A1 (fr) 2014-05-01 2015-11-05 E. I. Du Pont De Nemours And Company Câbles faits d'une matière à changement de phase (pcm)
WO2017079018A1 (fr) 2015-11-03 2017-05-11 E. I. Du Pont De Nemours And Company Câbles constitués d'un matériau à changement de phase
WO2017214398A1 (fr) 2016-06-09 2017-12-14 E. I. Du Pont De Nemours And Company Système de fermeture à câble de stockage de chaleur
EP3346047A1 (fr) 2017-01-09 2018-07-11 BSH Hausgeräte GmbH Appareil électroménager doté d'un corps d'accumulateur thermique à chaleur latente, corps d'accumulateur thermique à chaleur latente ainsi que son procédé de fonctionnement ou de fabrication
US10093843B2 (en) 2013-10-15 2018-10-09 Enrad Ltd. Elastomer and/or composite based material for thermal energy storage
WO2018204298A2 (fr) 2017-05-01 2018-11-08 E. I. Du Pont De Nemours And Company Composition et procédés pour dispositifs coaxiaux comprenant un matériau à changement de phase
US20230266073A1 (en) * 2021-05-24 2023-08-24 Hamilton Sundstrand Corporation Lightweight carbon foam structure for phase change material heat sinks
EP4682219A1 (fr) 2024-07-19 2026-01-21 Insula France Panneau de graphite expansé et compressé pour le stockage d' énergie thermique et dispositif de stockage et d échange thermique comportant un tel panneau

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DE10023572A1 (de) * 2000-05-15 2001-11-22 Merck Patent Gmbh Verfahren zur Herstellung eines Speicherverbundes zur Speicherung von Wärme und Kälte
DE10242077B4 (de) * 2002-09-11 2012-01-12 Webasto Ag Verfahren zum Einbringen eines Kälte- beziehungsweise Wärmespeichermediums in ein Trägermaterial
FR2847586B1 (fr) 2002-11-27 2005-01-14 Centre Nat Rech Scient Materiau composite, son utilisation pour la gestion des effets thermiques dans un processus physico-chimique
EP1598406B1 (fr) * 2004-05-18 2013-08-07 SGL Carbon SE Matériaux d'accumulation de chaleur latente
CN1294229C (zh) * 2004-07-15 2007-01-10 同济大学 多孔石墨基相变储能复合材料及其制备方法
CN100478635C (zh) * 2004-09-27 2009-04-15 Sgl碳股份公司 用于冷却食品的设备
DE102005014742A1 (de) * 2004-09-27 2006-04-06 Aqamore Gmbh Vorrichtung zum Kühlen von Lebensmitteln
US7923112B2 (en) 2005-05-12 2011-04-12 Sgl Carbon Se Latent heat storage material and process for manufacture of the latent heat storage material
US8171984B2 (en) 2006-02-01 2012-05-08 Sgl Carbon Ag Latent heat storage devices
US20070224425A1 (en) * 2006-03-24 2007-09-27 Christ Martin U Process for manufacture of a latent heat storage body
US8580171B2 (en) 2006-03-24 2013-11-12 Sgl Carbon Ag Process for manufacture of a latent heat storage device
SE530959C2 (sv) 2006-05-29 2008-11-04 Climatewell Ab Publ Kemisk värmepump med hybridsubstans
FR2902182A1 (fr) * 2006-06-09 2007-12-14 Pascal Henri Pierre Fayet Dispositif multicouche collecteur d'ernergie thermique pour convertisseur photonique du rayonnement solaire, du rayonnement atmospherique et du rayonnement de l'espace
DE102007023315B3 (de) * 2007-05-16 2008-10-16 BAM Bundesanstalt für Materialforschung und -prüfung Verfahren zur Herstellung eines Latentwärme-Speichermaterials
DE102007029273A1 (de) 2007-06-22 2008-12-24 Sgl Carbon Ag Latentwärme-Speichermaterial
US20130004770A1 (en) 2010-01-19 2013-01-03 Huntsman International Llc Materials comprising a matrix and process for preparing them
DE102010003663A1 (de) * 2010-04-06 2011-10-06 Sgl Carbon Se Wärmespeicherverbundmaterial enthaltend expandierten Graphit und PCM und Verfahren zu dessen Herstellung
DE102011108820A1 (de) 2011-07-29 2013-01-31 Bayerisches Zentrum für Angewandte Energieforschung e.V. PCM-haltiges Komposit aus wärmeleitenden Transportteilchen und Verdrängungskörpern zur Optimierung des Wärmetransports, sowie Verfahren zu dessen Herstellung und Verwendung desselben
DE102013006103A1 (de) * 2013-04-09 2014-10-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zum Temperieren mittels Latentwärmespeicher
DE102013215256A1 (de) * 2013-08-02 2015-02-05 Siemens Aktiengesellschaft Latentwärmespeicher und Herstellungsverfahren dazu
RU2567921C1 (ru) * 2014-04-29 2015-11-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ФГБОУ ВПО "КубГТУ") Теплоаккумулирующий материал
DE102014213800A1 (de) * 2014-07-16 2016-01-21 BSH Hausgeräte GmbH Kühlschrank mit einer Wasserspendereinheit und einem Phasenwechselmaterial
RU2763288C1 (ru) * 2020-12-11 2021-12-28 Государственное бюджетное образовательное учреждение высшего образования Московской области "Университет "Дубна" (Государственный университет "Дубна") Теплоаккумулирующий состав на основе эвтектической смеси кристаллогидратов нитратов кальция и кадмия

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Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10023949C1 (de) * 2000-05-16 2001-11-22 Bosch Gmbh Robert Wärmetauscher, insbesondere Mikrostruktur-Wärmetauscher
US7000681B2 (en) 2002-09-11 2006-02-21 Webasto Thermosysteme International Gmbh Cold or heat accumulator and process for its manufacture
DE10242463B4 (de) * 2002-09-11 2006-07-06 Webasto Ag Kälte-/Wärmespeicher für eine Klimaeinrichtung
US7938170B2 (en) 2002-09-11 2011-05-10 Webasto Ag Cold or heat accumulator and process for its manufacture
US7500309B2 (en) 2002-09-11 2009-03-10 Webasto Thermosysteme International Gmbh Cold or heat accumulator and process for its manufacture
US7704405B2 (en) * 2002-10-28 2010-04-27 Sgl Carbon Se Material mixtures for heat storage systems and production method
US20080099187A1 (en) * 2004-01-26 2008-05-01 Rini Daniel P Method and apparatus for absorbing thermal energy
US9612061B2 (en) * 2004-01-26 2017-04-04 Rini Technologies, Inc. Method and apparatus for absorbing thermal energy
JP2007315704A (ja) * 2006-05-26 2007-12-06 Webasto Ag 蓄冷器または蓄熱器およびその製造法
WO2008037896A3 (fr) * 2006-09-28 2008-06-19 Heliotrans Module utilisable pour le stockage et le transfert thermique
FR2906604A1 (fr) * 2006-09-28 2008-04-04 Heliotrans Sarl Module utilisable pour le stockage et le transfert thermique.
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FR3164722A1 (fr) 2024-07-19 2026-01-23 Insula France Panneau de graphite expansé et compressé pour le stockage d’énergie thermique et dispositif de stockage et d’échange thermique comportant un tel panneau

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DE19630073B4 (de) 2004-04-01
DE59702643D1 (de) 2000-12-21
EP0914399A1 (fr) 1999-05-12
DE19630073A1 (de) 1998-01-29
EP0914399B1 (fr) 2000-11-15
AU3941197A (en) 1998-02-20

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